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Space Exploration News

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astrophysics, cosmology, the universe...

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Carbon in Vesta's craters

Large impacts of asteroids may have transferred carbonaceous material to the protoplanet and inner solar system.

Posted: Jan 7th, 2013

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Celestial flybys set to thrill

Astronomers are gearing up for thrills this year when Earth gets buzzed by two rogue asteroids and two comets, including a wanderer last seen by the forerunners of mankind.

Posted: Jan 6th, 2013

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Big Bang under the microscope

Scientists have replaced the telescope by the microscope: Using the similarities between the structure of a crystal and the state of the cosmos in the early universe, they have explored a yet unconfirmed phenomenon, the formation of cosmic strings. These so-called "topological defects" are believed to have formed as the universe expanded shortly after the Big Bang.

Posted: Jan 4th, 2013

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Astrophysicists make stellar discovery about galaxies far, far away

A new study observes 13 smaller satellite galaxies orbiting around the immense Andromeda galaxy in a way similar to how the planets in our solar system orbit around the sun. The galaxies are orbiting on a thin, pancake-like plane at a scale 900 million times larger than our own solar system.

Posted: Jan 3rd, 2013

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Galactic geysers fuelled by star stuff

Enormous outflows of charged particles from the centre of our Galaxy, stretching more than halfway across the sky and moving at supersonic speeds, have been detected and mapped with CSIRO's 64-m Parkes radio telescope.

Posted: Jan 2nd, 2013

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A eulogy to Herschel

With its 2160 litres of liquid helium about to run out, the Herschel Space Observatory will, by the end of March, become just another piece of space junk.

Posted: Jan 2nd, 2013

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Study shows space travel is harmful to the brain

As if space travel was not already filled with enough dangers, a new study shows that cosmic radiation - which would bombard astronauts on deep space missions to places like Mars - could accelerate the onset of Alzheimer's disease.

Posted: Jan 2nd, 2013

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An image gallery gift from NASA's Swift satellite

Of the three telescopes carried by NASA's Swift satellite, only one captures cosmic light at energies similar to those seen by the human eye. Although small by the standards of ground-based observatories, Swift's Ultraviolet/Optical Telescope (UVOT) plays a critical role in rapidly pinpointing the locations of gamma-ray bursts (GRBs), the brightest explosions in the cosmos.

Posted: Dec 29th, 2012

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